You will have to call Browning.
With the serial number that you have provided,your Browning sweet sixteen auto-5 shotgun was made in the year 1956 by FN of Belgium for Browning.
Browning.com has a sn function under customer service.
The prefix of 5S to your serial number indicates that your sweet sixteen model auto-5 shotgun was made in the year 1965.
Browning.com has sn data under customer service.
Your browning sweet sixteen was made by FN of belguim for browning in 1924.
Your browning sweet sixteen was made by FN for browning in 1951.
Your browning sweet sixteen was made by FN of belguim for browning in 1966.
your browning sweet-sixteen with the serial number you provided was made by browning in belgium by FN in 1956.
With the serial number that you have provided,your Browning Sweet Sixteen auto-5 shotgun was made in Belgium for Browning in the year 1957.
You will need to call Browning.
You did not provide a serial number. You will have to call Browning.
Your serial number indicates that your sweet sixteen model Browning shotgun was made in the year 1954.